National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

A Few Clouds

84°F

29°C

Humidity 36%
Wind Speed SW 20 G 30 mph
Barometer 29.64 in (1002.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Apr 3:53 pm CDT
Extended Forecast for

Atchison KS

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Sunny, with a high near 82. West southwest wind around 11 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 49. West wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 61. South wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers and thunderstorms, mainly after 1pm. High near 83. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Slight Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Sunny, with a high near 82. West southwest wind around 11 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 49. West wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 61. South wind 8 to 11 mph, with gusts as high as 23 mph.
Friday
Showers and thunderstorms, mainly after 1pm. High near 83. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 69.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atchison KS
 39.57°N 95.11°W (Elev. 902 ft)
Last Update:
3:43 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation